Perhaps you should try some spelling variations:
"nijhoff book titles _0" » "nijhoff boston titles _0", "nijhoff op titles _0", "nijhoff book entitled _0", "nijhoff book intitled _0", "nijhoff book titles _", "nijhoff book titles 60", "nijhoff book titles 1"
"nijhoff ebook title 2" » "nijhoff book title 2", "nijhoff ebook title _", "nijhoff ebook title a"
"nijhoff ebook title 1" » "nijhoff book title 1", "nijhoff ebook title _", "nijhoff ebook title a"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nijhoff book titles _0") OR ("nijhoff ebook title 2"))) OR ("nijhoff ebook title 1")).
• Removing quotes may allow a broader search: (((( nijhoff book titles _0 ) or ( nijhoff ebook title 2 ))) or ( nijhoff ebook title 1 )).
• Adding a wildcard symbol may retrieve word variants: (((("nijhoff book titles _0") or ("nijhoff ebook title 2"))) or ("nijhoff ebook title 1"))*.